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1. 发明授权

US4153395A Compressors 失效
标题翻译：压缩机
公开(公告)号：US4153395A
公开(公告)日：1979-05-08
申请号：US830017
申请日：1977-08-30
申请人： Peter A. O'Neill
发明人： Peter A. O'Neill
IPC分类号： F01C21/02 , F04C27/00 , F04C29/12 , F04C17/12 , F04C23/00 , F04C29/00
CPC分类号： F04C29/12 , F01C21/02 , F04C27/009
摘要： In screw compressors for fluids there is normally leakage of fluid axially through the rotor-shaft bearing assemblies at the high-pressure end of the casing housing the interacting rotors. To obviate or mitigate the resulting inefficiency in the operation of the compressor, and also reduce atmosphere pollution arising from the leakage, a fluid coupling is provided between said bearing assemblies and an additional fluid inlet opening in the compressor casing, said additional opening being positioned to communicate with a land of the rotor when the rotor is at or beyond rotor cut-off, so that fluid leaking from the compression chamber is recirculated to the compression chamber.
摘要翻译：在用于流体的螺杆式压缩机中，通常在容纳相互作用的转子的壳体的高压端处轴向地通过转子轴承组件泄漏流体。为了消除或减轻压缩机运行中的低效率，并且还减少由泄漏引起的大气污染，在所述轴承组件和压缩机壳体中的另外的流体入口之间提供流体联接，所述附加开口定位成当转子处于或超过转子切断时，与转子的平台通信，使得从压缩室泄漏的流体再循环到压缩室。

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